title: [Comparative study of menstrual blood loss with progestagen-releasing intrauterine devices].
mesh_terms: D005260:Female; D006801:Humans; D007436:Intrauterine Devices, Medicated; D016912:Levonorgestrel; D008598:Menstruation / Q000187:drug effects; D009640:Norethindrone / Q000008:administration & dosage*; D009644:Norgestrel / Q000008:administration & dosage*; D011374:Progesterone / Q000008:administration & dosage*
chemical_list: D009644:Norgestrel; D011374:Progesterone; D016912:Levonorgestrel; D009640:Norethindrone
vernacular_title: Estudio comparativo de la pérdida sanguínea menstrual con dispositivos intrauterinos liberadores de progestágenos.